1 files changed, 19 insertions, 0 deletions
diff --git a/dom/bindings/parser/tests/test_any_null.py b/dom/bindings/parser/tests/test_any_null.py
new file mode 100644
index 0000000000..e76935d005
--- /dev/null
+++ b/dom/bindings/parser/tests/test_any_null.py
@@ -0,0 +1,19 @@
+import WebIDL
+
+
+def WebIDLTest(parser, harness):
+    threw = False
+    try:
+        parser.parse(
+            """
+            interface DoubleNull {
+              attribute any? foo;
+            };
+        """
+        )
+
+        parser.finish()
+    except WebIDL.WebIDLError:
+        threw = True
+
+    harness.ok(threw, "Should have thrown.")